12311332020995 has 32 divisors (see below), whose sum is σ = 18214603083648. Its totient is φ = 7795550251008.

The previous prime is 12311332020973. The next prime is 12311332020997. The reversal of 12311332020995 is 59902023311321.

It is a cyclic number.

It is not a de Polignac number, because 12311332020995 - 2¹² = 12311332016899 is a prime.

It is a super-2 number, since 2×12311332020995² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311332020997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195169544 + ... + 195232613.

It is an arithmetic number, because the mean of its divisors is an integer number (569206346364).

Almost surely, 2^{12311332020995} is an apocalyptic number.

12311332020995 is a deficient number, since it is larger than the sum of its proper divisors (5903271062653).

12311332020995 is a wasteful number, since it uses less digits than its factorization.

12311332020995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390402239.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 12311332020995 in words is "twelve trillion, three hundred eleven billion, three hundred thirty-two million, twenty thousand, nine hundred ninety-five".